Last modified by Xiaoling on 2024/07/31 17:46
<
From version < 7.1 >
edited by Xiaoling
on 2022/07/22 11:16
To version < 18.1 >
edited by Edwin Chen
on 2023/12/21 14:24
>
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Title
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1 -Add GPS Support in LG308
1 +Add GPS Support in LG308N / LPS8v2
Author
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1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
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1 +**Table of Contents：**
2 +
3 +{{toc/}}
4 +
5 +
1 1  (((
2 -= **Introduction ** =
7 += 1. Introduction =
3 3  
4 4  ----
5 5  
6 -It is possible to GPS support in LG308 EC25 version so device will add location info to uplink packet to LoRaWAN server.
11 +It is possible to GPS supports in LG308N-EC25 version and LPS8v2-EC25 version so device will add location info to uplink packet to LoRaWAN server.
7 7  )))
8 8  
9 9  
15 += 2. Use Cellular Module GPS feature for LoRaWAN Timing. =
16 +
17 +== 2.1 Configure on LG308N / LPS8N ==
18 +
10 10  (((
11 11  (% style="color:blue" %)**Below are the steps:**
12 12  )))
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45 45  CONNECT ' '
46 46  )))
47 47  
57 +
48 48  (((
49 49  (% style="color:red" %)**Note: **(%%)**After above settings, the GPS will be enable when dial up, if user doesn't use Cellular for Internet access, above script won't execute, in this case, user can (% style="color:red" %)run "echo AT+QGPS=1 > /dev/ttyUSB2" (%%)to (% style="color:blue" %)enable GPS /usr/bin/generate-config.sh,(%%) after configure this, in the web page, select any frequency band and save to make this take affect.**
50 50  )))
51 51  
62 +
52 52  (% class="box" %)
53 53  (((
54 54  (((
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77 77  )))
78 78  )))
79 79  
91 +
80 80  (((
81 81  **3. Reboot the device and run logread -f to verify if GPS already works.**
82 82  )))
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96 96  Fri Mar  6 04:09:35 2020 daemon.info lora_pkt_fwd[3016]: INFO~~ [up] PUSH_ACK received in 293 ms
97 97  Fri Mar  6 04:09:35 2020 daemon.info lora_pkt_fwd[3016]: INFO~~ [down] PULL_ACK received in 596 ms
98 98  )))
111 +
112 +
113 +== 2.2. Configure on LPS8v2 ==
114 +
115 +(((
116 +(% style="color:blue" %)**Below are the steps:**
117 +)))
118 +
119 +(((
120 +**~1. Open the box and connect GPS antenna to GNSS port of EC25**
121 +)))
122 +
123 +[[image:image-20231208153214-1.png||height="426" width="590"]]
124 +
125 +Connect GPS antenna
126 +
127 +
128 +**2. modify the two files:**
129 +
130 +/etc/rc.local
131 +
132 +(% class="box" %)
133 +(((
134 +#!/bin/sh -e
135 +#
136 +# rc.local
137 +#
138 +# This script is executed at the end of each multiuser runlevel.
139 +# Make sure that the script will "exit 0" on success or any other
140 +# value on error.
141 +#
142 +# In order to enable or disable this script just change the execution
143 +# bits.
144 +#
145 +# By default this script does nothing.
146 +
147 +echo 0 > /sys/class/leds/dragino\:blue\:opt/brightness
148 +echo 0 > /sys/class/leds/dragino\:green\:stat/brightness
149 +echo 0 > /sys/class/leds/dragino\:red\:sys/brightness
150 +(% style="color:red" %)**echo AT+QGPS=1 > /dev/ttyUSB2**
151 +
152 +
153 +exit 0
154 +)))
155 +
156 +(% style="color:red" %)**Note: **(%%) **After above settings, LPS8v2 will (% style="color:blue" %)enable GPS(%%) automatically on boot.**
157 +
158 +
159 +**The user can run (% style="color:red" %)"echo AT+QGPS=1 > /dev/ttyUSB2" (%%)to manually (% style="color:blue" %)enable GPS.(%%)**
160 +
161 +**/usr/local/dragino/generate-config.sh, after configuring this, on the web page, select any frequency band and save to make this take effect.**
162 +
163 +(% class="box" %)
164 +(((
165 +gen_gw_cfg() {
166 + json_init
167 + json_add_object gateway_conf
168 + json_add_string "platform" "SX1$chip"
169 + json_add_string "description" "Dragino LoRaWAN Gateway"
170 + json_add_string "gateway_ID" "$gwid"
171 + json_add_boolean "radiostream_enable" 1
172 + json_add_string "ghost_host" "localhost"
173 + json_add_string "ghost_port" "1760"
174 + json_add_boolean "manage_enable" 0
175 + json_add_boolean "custom_downlink" 0
176 + json_add_int "stat_interval" "30"
177 + json_add_boolean "wd_enable" 1
178 + json_add_boolean "mac_decode" 0
179 + json_add_boolean "mac2file" 0
180 + json_add_boolean "mac2db" 0
181 + json_add_string "log_mask" "1111"
182 + (% style="color:red" %)**json_add_string "gps_tty_path" "/dev/ttyUSB1"   ~-~-~-~--> Add this line so lora program knows to get the gps info from EC25**(%%)
183 + json_add_double "ref_latitude" "$latitude"
184 + json_add_double "ref_longitude" "$longitude"
185 + json_add_double "ref_altitude" "$altitude"
186 + json_add_int "beacon_period" "0"
187 + json_add_int "beacon_freq_hz" "869525000"
188 +)))
189 +
190 +**3. Reboot the device and run journalctl -u draginofwd -f to verify if GPS already works.**
191 +
192 +[[image:image-20231208160114-2.png||height="288" width="907"]]
193 +
194 +
195 +[[image:image-20231208161058-5.png||height="548" width="965"]]
196 +
197 +
198 +
199 += 3. Use Cellular Module GPS feature for System Timing. =
200 +
201 +== 3.1 Configure on LPS8v2 ==
202 +
203 +
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